{"cve":"CVE-2025-68769","nvd":{"published":"2026-01-13T16:15:56.353","modified":"2026-06-17T09:59:33.410","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix return value of f2fs_recover_fsync_data()\n\nWith below scripts, it will trigger panic in f2fs:\n\nmkfs.f2fs -f /dev/vdd\nmount /dev/vdd /mnt/f2fs\ntouch /mnt/f2fs/foo\nsync\necho 111 >> /mnt/f2fs/foo\nf2fs_io fsync /mnt/f2fs/foo\nf2fs_io shutdown 2 /mnt/f2fs\numount /mnt/f2fs\nmount -o ro,norecovery /dev/vdd /mnt/f2fs\nor\nmount -o ro,disable_roll_forward /dev/vdd /mnt/f2fs\n\nF2FS-fs (vdd): f2fs_recover_fsync_data: recovery fsync data, check_only: 0\nF2FS-fs (vdd): Mounted with checkpoint version = 7f5c361f\nF2FS-fs (vdd): Stopped filesystem due to reason: 0\nF2FS-fs (vdd): f2fs_recover_fsync_data: recovery fsync data, check_only: 1\nFilesystem f2fs get_tree() didn't set fc->root, returned 1\n------------[ cut here ]------------\nkernel BUG at fs/super.c:1761!\nOops: invalid opcode: 0000 [#1] SMP PTI\nCPU: 3 UID: 0 PID: 722 Comm: mount Not tainted 6.18.0-rc2+ #721 PREEMPT(voluntary)\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\nRIP: 0010:vfs_get_tree.cold+0x18/0x1a\nCall Trace:\n <TASK>\n fc_mount+0x13/0xa0\n path_mount+0x34e/0xc50\n __x64_sys_mount+0x121/0x150\n do_syscall_64+0x84/0x800\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\nRIP: 0033:0x7fa6cc126cfe\n\nThe root cause is we missed to handle error number returned from\nf2fs_recover_fsync_data() when mounting image w/ ro,norecovery or\nro,disable_roll_forward mount option, result in returning a positive\nerror number to vfs_get_tree(), fix it.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/01fba45deaddcce0d0b01c411435d1acf6feab7b","https://git.kernel.org/stable/c/0de4977a1eeafe9d77701e3c031a1bcdba389243","https://git.kernel.org/stable/c/4560db9678a2c5952b6205fbca468c6805c2ba2a","https://git.kernel.org/stable/c/473550e715654ad7612aa490d583cb7c25fe2ff3","https://git.kernel.org/stable/c/9bc246018aaa3b46a7710428d0a2196c229f9d49"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:19:41.481987139+00:00"},"epss":{"cve":"CVE-2025-68769","score":0.00207,"percentile":0.1079,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}